"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 多节点写入
Case Name   : 备机执行定义聚集函数的DDL语句
Create At   : 2023/07/17
Owner       : opentestcase033
Description :
    1.修改enable_remote_execute参数值为on
    2.创建函数和表
    3.备机执行定义聚集函数的DDL语句
    4.查看日志打印
    5.恢复参数
Expect      :
    1.修改成功
    2.成功
    3.成功
    4.DDL语句转发给主机
    5.恢复参数成功
History     :
    modified: 2025/03/05 modified by kyleze,参数值变化,优化用例
"""
import os
import time
import unittest
from yat.test import Node
from yat.test import macro
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant

PrimarySh = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == PrimarySh.get_node_num(),
                 'Single node, and subsequent codes are not executed.')
class MultiNodeWrite(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.standby_node = Node('Standby1DbUser')
        self.standby_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()
        self.common = Common('Standby1DbUser')
        self.table = 't_multi_node_write_0062'
        self.func1 = 'func_multi_node_write_0062_1'
        self.func2 = 'func_multi_node_write_0062_2'
        self.new_log_dir = os.path.join(macro.PG_LOG_PATH,
                                        'pg_log_multi_node_write0062')
        self.enable_remote_execute = 'enable_remote_execute'
        self.log_statement = 'log_statement'
        self.log_directory = 'log_directory'
        self.remote_excute_default = self.common.show_param(
            self.enable_remote_execute)
        self.log_statement_default = self.common.show_param(self.log_statement)
        self.log_dir_default = self.common.show_param(self.log_directory)
        shell_cmd = f"rm -rf {self.new_log_dir}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.assertEquals('', shell_msg, '删除目录失败')

    def test_multi_node_write(self):
        step1 = "-----step1:修改enable_remote_execute参数值为on;expect:修改成功-----"
        self.logger.info(step1)
        result = self.standby_sh.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}=on')
        self.assertTrue(result, f'执行失败:{step1}')
        restart_res = self.standby_sh.restart_db_cluster()
        self.assertTrue(restart_res, f'执行失败:{step1}')
        show_remote_excute = self.common.show_param(self.enable_remote_execute)
        self.assertEquals(show_remote_excute, 'on', f'执行失败:{step1}')
        result = self.standby_sh.execute_gsguc('reload',
                                               self.constant.GSGUC_SUCCESS_MSG,
                                               f'{self.log_statement}=all')
        self.assertTrue(result, f'执行失败:{step1}')
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f"{self.log_directory}='{self.new_log_dir}'", single=True)
        self.assertTrue(result, f'执行失败:{step1}')
        show_log_statement = self.common.show_param(self.log_statement)
        self.assertEquals(show_log_statement, 'all', f'执行失败:{step1}')
        show_log_directory = self.common.show_param(self.log_directory)
        self.assertEquals(show_log_directory, self.new_log_dir, f'执行失败:{step1}')

        step2 = "-----step2:创建函数和表;expect:执行成功-----"
        self.logger.info(step2)
        sql_cmd = f'''create or replace function {self.func1}(integer,integer) 
        returns integer as
          \$body\$
          begin
          if \$1 is null then
            return \$2;
          else
            return \$1 + \$2;
          end if;
          end;
          \$body\$ language 'plpgsql';
        create or replace function {self.func2}(integer) returns integer as
          \$body\$
          begin
          return 2 * \$1;
          end;
          \$body\$ language 'plpgsql';
        drop table if exists {self.table} cascade;
        create table {self.table}(
          id integer, s1 integer, s2 decimal(12, 2)) with(segment=on);
        insert into {self.table}(id ,s1, s2) 
        values(1, 2, 2.4), (1, 3, 2.2),(2, 2, 2.5);'''
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn(self.constant.TABLE_CREATE_SUCCESS,
                      sql_msg, f'执行失败:{step2}')
        self.assertEqual(
            2, sql_msg.count(self.constant.CREATE_FUNCTION_SUCCESS_MSG),
            f'执行失败:{step2}')
        time.sleep(2)

        step3 = "-----step3:备机执行定义聚集函数的DDL语句;expect:执行成功-----"
        self.logger.info(step3)
        sql_cmd = f'''drop aggregate if exists aggr_0062(integer);
        create aggregate aggr_0062(integer)(
        sfunc = {self.func1},
        stype =integer,
        finalfunc = {self.func2},
        initcond = 100
        );
        --修改
        alter aggregate aggr_0062(integer) RENAME TO mysum;
        --使用
        select id, mysum(s1), sum(s2) from {self.table} group by id;
        --删除
        drop aggregate mysum(integer);'''
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn('CREATE AGGREGATE', sql_msg, f'执行失败:{step3}')
        self.assertIn('ALTER AGGREGATE', sql_msg, f'执行失败:{step3}')
        self.assertTrue('1 |   210 | 4.60' in sql_msg and
                        '2 |   204 | 2.50' in sql_msg, f'执行失败:{step3}')
        self.assertIn('DROP AGGREGATE', sql_msg, f'执行失败:{step3}')

        step4 = "-----step4:查看日志打印;expect:DDL语句转发给主机-----"
        self.logger.info(step4)
        shell_cmd = f"ls -t {self.new_log_dir}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        logfile = os.path.join(self.new_log_dir, shell_msg.split()[-1])
        self.logger.info(logfile)
        shell_cmd = f"cat {logfile}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.logger.info(shell_msg)
        self.assertIn('we find new transfer',
                      shell_msg, f'执行失败:{step4}')
        self.assertIn('Connecting to remote server',
                      shell_msg, f'执行失败:{step4}')
        self.assertIn(f'LOG:  libpqsw', shell_msg, f'执行失败:{step4}')

    def tearDown(self):
        step5 = "-----step5:清理环境;expect:成功-----"
        self.logger.info(step5)
        drop_res = self.standby_sh.execut_db_sql(
            f"drop table {self.table};"
            f"drop function {self.func1};"
            f"drop function {self.func2};"
            f"drop aggregate if exists aggr_0062(integer);")
        self.logger.info(drop_res)
        result1 = self.standby_sh.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}={self.remote_excute_default}')
        restart_res = self.standby_sh.restart_db_cluster()
        show_remote_excute = self.common.show_param(self.enable_remote_execute)
        result2 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_statement}={self.log_statement_default}')
        result3 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f"{self.log_directory}='{self.log_dir_default}'", single=True)
        show_log_statement = self.common.show_param(self.log_statement)
        show_log_directory = self.common.show_param(self.log_directory)
        self.assertTrue(self.constant.DROP_TABLE_SUCCESS in drop_res and
                        self.constant.DROP_FUNCTION_SUCCESS_MSG in drop_res and
                        'DROP AGGREGATE' in drop_res, f'执行失败:{step5}')
        self.assertTrue(result1, f'执行失败:{step5}')
        self.assertTrue(restart_res, f'执行失败:{step5}')
        self.assertEquals(show_remote_excute, self.remote_excute_default,
                          f'执行失败:{step5}')
        self.assertTrue(result2, f'执行失败:{step5}')
        self.assertTrue(result3, f'执行失败:{step5}')
        self.assertEquals(show_log_statement, self.log_statement_default,
                          f'执行失败:{step5}')
        self.assertEquals(show_log_directory, self.log_dir_default,
                          f'执行失败:{step5}')
        self.logger.info(f"-----{os.path.basename(__file__)} end-----")
